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Calculate the amount of carbon dioxide that could be produced when 1 mole of carbon is burnt in air.
Answer: The balanced reaction of combustion of carbon can be written as: C + O2 ----------------> CO2 1 1 1 (i) As per the balanced equation, 1 mole of carbon burns in 1 mole...
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The breakdown of pyruvate to give carbon dioxide, water and energy takes place in
(b) The breakdown of pyruvate to give carbon dioxide, water and energy takes place in mitochondria.
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Name the sink of carbon dioxide in atmosphere.
Ocean and green plants.
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(a) List two ways by which carbon dioxide is ‘fixed’ in the environment.
(a) Carbon dioxide is fixed in the two following ways: (i) By the process of photosynthesis in plants. (ii) Many marine animals use carbonates dissolved in sea-water to make their cells. (b) Diseases...
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The two forms of oxygen found in the atmosphere are (a) water and ozone (b) water and oxygen (c) ozone and oxygen (d) water and carbon-dioxide
(c) ozone and oxygen
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Why does the percentage of gases like oxygen, nitrogen and carbon dioxide remain almost the same in the atmosphere?
The percentage of gases like oxygen, nitrogen and carbon dioxide remain almost the same in the atmosphere because cycling of these gases maintains consistency.
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What will be the pressure exerted by a mixture of 3.2 g of methane and 4.4 g of carbon dioxide contained in a 9 dm3 flask at 27 °C ?
Given, Mass of carbon dioxide = 4.4 g Molar mass of carbon dioxide= 44g/mol Mass of methane = 3.2g Molar mass of methane = 16g/mol Now amount of methane, nCH4 = 3.2/ 16 = 0.2 mol &...
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Critical temperature for carbon dioxide and methane are 31.1 °C and –81.9 °C respectively.
The maximum temperature at which a gas can be converted into a liquid by an increase in pressure is called its critical temperature(Tc). This means that the intermolecular forces of...
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Critical temperature for carbon dioxide and methane are 31.1 °C and –81.9 °C respectively.
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While sulphur dioxide and hydrogen peroxide can act as oxidising as well as reducing agents in their reactions,
In sulphur dioxide (SO2), the oxidation number (O.N.) of S is +4 and the range of the O.N. that S can have is from +6 to –2. Therefore, SO2 can act...
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